20207605

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 26966016

約数和(自身を除く): 6758411

約数列:

[1, 5, 11, 55, 121, 127, 263, 605, 635, 1315, 1397, 2893, 6985, 14465, 15367, 31823, 33401, 76835, 159115, 167005, 367411, 1837055, 4041521, 20207605]

約数ペア:

[(1, 20207605), (5, 4041521), (11, 1837055), (55, 367411), (121, 167005), (127, 159115), (263, 76835), (605, 33401), (635, 31823), (1315, 15367), (1397, 14465), (2893, 6985)]